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Application circuit example of DVI terminal
The DVI terminal is an asynchronous reset terminal. Please note that there is a possibility that IC doesn't operate normally if
the reset section is not installed after the start-up of VCC. (Please refer to the paragraph of "Timing chart for VCC and DVI
power supply sequence" )
The description concerning SDA and the terminal SCL is omitted in this application circuit example. Please design the
application the standard of the I2C bus as it finishes being satisfactory. Moreover, the description concerning the terminal
ADDR is omitted. Please refer to the paragraph of "Timing chart for VCC and DVI power supply sequence" about the
terminal ADDR design.
ex 1) The control signal line such as CPU is connected.
ex 2) Reset IC is used
.
1, For Reset IC of the Push-Pull type
2, For Reset IC of the Open drain output
ex 3)
A different power supply is used.
※
Power supply of DVI must stand up later than power supply of VCC stand up, because it is necessary to secure reset section
( 1us or more ).
Micro
Controller
VCC
ADDR
SCL
SDA
0.1uF
0.1uF
DVI
GND
BH1715FVC
VCC
ADDR
SCL
SDA
0.1uF
DVI
GND
RESET
Reset IC( Push-Pull type )
BH1715FVC
0.1uF
VCC
ADDR
SCL
SDA
0.1uF
DVI
GND
Reset IC( Open drain type )
RESET
1kOhm
BH1715FVC
0.1uF
BH1715FVC
VCC
ADDR
SCL
SDA
0.1uF
DVI
GND
0.1uF
V2
V1
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